From c51815b10c39c6e802bd1b56549f1d479b480fcc Mon Sep 17 00:00:00 2001
From: Andrew Sun <adsun701@gmail.com>
Date: Sat, 18 Jul 2020 09:11:11 -0400
Subject: [PATCH] fix multiple definition error when building with gcc10

[Retrieved from:
https://github.com/mongrel2/mongrel2/pull/343/commits/c51815b10c39c6e802bd1b56549f1d479b480fcc]
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
 src/unixy.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/unixy.h b/src/unixy.h
index 045e7c28..4225220c 100644
--- a/src/unixy.h
+++ b/src/unixy.h
@@ -38,7 +38,7 @@
 #include <bstring.h>
 #include <unistd.h>
 
-char *m2program;
+extern char *m2program;
 
 int Unixy_chroot(bstring path);
 
